for sure
Pero no sé con certeza si ella lo habrá matado.
But I don't know for sure if she killed him.
— Killer Whale (2026)
Entonces usted no puede creer con certeza que Jesus era blanco.
So you cannot believe with certainty that Jesus was white.
— Malcolm X (1992)
De otro modo sabrías con certeza que es bueno y que es malo.
Otherwise you would know for sure what is good and what is bad.
— Fearless - Sin miedo (2006)
Es todo la que sabemos con certeza.
That's all we know for sure.
Tomás no puede decir con certeza cuándo llegará María.
Tomás can't say for sure when María will arrive.
No conozco su dirección con certeza.
I don't know their address for sure.
No conozco con certeza dónde nací.
I don't know for certain where I was born.
Bien, no creo que sepamos eso con certeza.
Well, I don't think we know that for sure.
— Malcolm X (1992)
No lo sé con certeza, pero seguro tiene que ver con lo de ayer.
I don't know for sure, but it's definitely related to what happened yesterday.
Not for sure.